(19)

(11)

EP 4 122 060 A2

(12)

(88) Date of publication A3: 18.11.2021 (43) Date of publication: 25.01.2023 Bulletin 2023/04 (21) Application number: 21713923.7 (22) Date of filing: 18.03.2021

(51) International Patent Classification (IPC):  H01S 3/00(2006.01) (52) Cooperative Patent Classification (CPC): H01S 3/0071; H01S 3/005 (86) International application number: PCT/EP2021/056946 (87) International publication number: WO 2021/185967 (23.09.2021 Gazette 2021/38)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 18.03.2020 GB 202003948 (71) Applicant: Thermo Fisher Scientific (Ecublens) Sarl 1024 Ecublens (CH)	(72) Inventor: LANCUBA, Patrick 1024 Ecublens (CH) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)